1427646 has 32 divisors (see below), whose sum is σ = 3161088. Its totient is φ = 426240.

The previous prime is 1427627. The next prime is 1427653. The reversal of 1427646 is 6467241.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

Its product of digits (8064) is a multiple of the sum of its prime divisors (336).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6291 + ... + 6513.

It is an arithmetic number, because the mean of its divisors is an integer number (98784).

2^1427646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1427646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580544).

1427646 is an abundant number, since it is smaller than the sum of its proper divisors (1733442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1427646 is a wasteful number, since it uses less digits than its factorization.

1427646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336.

The product of its digits is 8064, while the sum is 30.

The square root of 1427646 is about 1194.8414120711. The cubic root of 1427646 is about 112.6004633452.

The spelling of 1427646 in words is "one million, four hundred twenty-seven thousand, six hundred forty-six".